| Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141) |
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| 07/24/1984 | CA1171497A1 Speed detector for sewing machines |
| 07/24/1984 | CA1171270A1 Device for a rotating magnetic brush |
| 07/10/1984 | US4459501 Toroidal generator and motor with radially extended magnetic poles |
| 07/05/1984 | WO1984002617A1 Synchronous motor |
| 07/04/1984 | EP0112636A1 Permanent magnet rotary dynamo electric machine |
| 06/26/1984 | CA1169944A1 Rotation speed signal detector |
| 06/19/1984 | US4455499 Two-phase stepping motor |
| 06/19/1984 | CA1169462A1 Self-starting two-pole single-phase synchronous motor |
| 06/12/1984 | US4454438 Synchronized induction motor |
| 05/29/1984 | US4451749 AC Generator |
| 05/16/1984 | EP0108434A1 Electric motor |
| 05/08/1984 | US4447750 Electromagnetic device construction |
| 05/08/1984 | US4447737 Variable frequency induction generator |
| 04/24/1984 | US4445061 Wide air gap permanent magnet motors |
| 04/17/1984 | US4443724 Shaft transducer having DC output proportional to angular velocity |
| 04/12/1984 | WO1984001477A1 An improved magnetic motor tachometer assembly |
| 04/04/1984 | EP0104450A2 Heat resisting and heat transferring construction for flat electric rotary machine |
| 04/03/1984 | US4441043 Compound interaction/induction electric rotating machine |
| 03/28/1984 | EP0104030A2 Tape driving capstan |
| 03/27/1984 | US4439704 Permanent magnet excited rotor for a synchronous machine |
| 03/13/1984 | US4437061 Speed detector for sewing machines |
| 03/06/1984 | US4435662 Axial air gap alternators/generators of modular construction |
| 03/06/1984 | US4435660 Magneto generator for a contactless ignition system |
| 02/28/1984 | US4433473 Process for manufacturing a flywheel magneto |
| 02/28/1984 | CA1162967A1 Stepper motor |
| 02/21/1984 | US4433260 Hysteresis synchronous motor utilizing polarized rotor |
| 02/14/1984 | US4431931 Motor-vehicle alternator having a rotary inductor |
| 01/31/1984 | CA1161488A1 Rotating electrical machine with self-supporting ironless stator assembly |
| 01/10/1984 | US4425522 Rotational speed indication signal generator having a plurality of generating coils |
| 01/03/1984 | US4424463 Apparatus for minimizing magnetic cogging in an electrical machine |
| 12/21/1983 | EP0096044A1 Electric stepping motor |
| 11/30/1983 | EP0094978A1 Rotatable electrical machine |
| 11/29/1983 | US4418296 Magneto-generator for engine ignition systems |
| 10/26/1983 | EP0091985A1 Electro power generating device |
| 10/18/1983 | US4410818 Synchronous motor |
| 10/05/1983 | EP0090022A1 Energy converter. |
| 09/27/1983 | US4406950 Greatly prolonged period non-interruptible power supply system |
| 09/13/1983 | US4404513 Economical flywheel alternator for trickle charging a small lawnmower battery |
| 09/13/1983 | US4404484 Electric rotating machine |
| 09/13/1983 | US4403402 Method for producing a magneto device for generating signals |
| 08/31/1983 | EP0087173A1 Self-starting single-phase synchronous motor |
| 08/30/1983 | US4401906 Motor with improved temperature characteristics |
| 08/30/1983 | US4401066 Ignition distributor for internal combustion engines |
| 08/09/1983 | US4398134 Two-pulse permanent magnet brushless D-C motor |
| 08/09/1983 | US4397539 Apparatus for constituting a rotary magnetic brush |
| 08/02/1983 | CA1150962A1 Electronically commutated motor, stationary assembly and rotatable assembly therefor, lamination, method of making a core, laundry machine, transmission mechanism and drive therefor |
| 07/27/1983 | EP0084198A1 Two-phase motor |
| 07/19/1983 | US4394595 Stator arrangement for a synchronous motor |
| 06/28/1983 | CA1149016A1 Economical flywheel alternator for trickle charging a small lawnmower battery |
| 06/22/1983 | EP0081524A1 Rotor for permanent magnet electric machine. |
| 06/14/1983 | US4388545 Rotor for a permanent magnet AC motor |
| 06/09/1983 | WO1983002042A1 Electric stepping motor |
| 06/07/1983 | US4387312 Stepping polyphased motor for a clockwork mechanism |
| 06/07/1983 | CA1147803A1 Magneto battery trickle charger |
| 05/31/1983 | US4386287 Synchronous motor for timepiece |
| 05/25/1983 | EP0079830A1 Small electric motor |
| 05/24/1983 | US4385249 Flat coreless motor with tachogenerator |
| 05/18/1983 | EP0079094A1 A process for dimensioning a drive including a self-starting single-phase synchronous motor |
| 05/10/1983 | US4383214 Magneto battery trickle charger |
| 05/03/1983 | USRE31230 Breakerless flywheel magneto ignition system |
| 04/28/1983 | WO1983001482A1 Energy converter |
| 04/27/1983 | EP0077342A1 Stepping motor for quartz watch |
| 04/26/1983 | US4381465 Stator arrangement for small motors |
| 04/19/1983 | CA1144970A1 Permanent magnet generator with temperature compensating nickel iron alloy strips in winding slots |
| 04/05/1983 | USRE31199 Magnetic speed sensor |
| 03/17/1983 | WO1983000956A1 Synchronous motor |
| 02/23/1983 | EP0072774A2 Synchronous motor |
| 02/23/1983 | EP0072460A1 Permanent-magnet excited rotor for a synchronous machine |
| 02/08/1983 | CA1140975A1 Permanent magnet alternator with claw type rotor and means to adjust the excitation module |
| 02/01/1983 | US4371801 Method and apparatus for output regulation of multiple disk permanent magnet machines |
| 01/25/1983 | US4370614 Speed and direction detector |
| 01/18/1983 | US4369384 Alternator for a marine engine |
| 01/12/1983 | EP0069567A2 Greatly prolonged period non-interruptible power supply system |
| 12/28/1982 | US4366405 Tachogenerator having stray flux cancelling output coils |
| 12/23/1982 | WO1982004505A1 Rotor for permanent magnet electric machine |
| 12/22/1982 | EP0067328A1 Bearing-shield for small electric motors |
| 12/22/1982 | EP0067226A1 D.c. generator type non-contact speed sensing device |
| 12/15/1982 | EP0066643A1 Synchronous small-size motor, especially a claw-pole motor |
| 12/14/1982 | US4364005 Brushless tachometer generator |
| 12/14/1982 | US4363984 Digitally controlled brushless motor |
| 11/23/1982 | US4360771 On-machine battery recharging system |
| 11/23/1982 | CA1136199A1 Synchronous disk motor with amorphous metal stator and permanent magnet rotor and flywheel |
| 11/16/1982 | US4359657 Rotation speed signal detector |
| 11/16/1982 | CA1135761A1 Permanent magnet motor armature |
| 11/16/1982 | CA1135760A1 Stepping motor with permanent magnet in the stator |
| 11/16/1982 | CA1135759A1 Stepping motor with permanent magnet in the stator and rotor teeth arranged helically |
| 11/16/1982 | CA1135758A1 Stepping motor with permanent magnet in the stator |
| 11/11/1982 | WO1982003928A1 Stepping motor for quartz watch |
| 11/10/1982 | EP0064363A1 Synchronous motor |
| 11/09/1982 | US4358727 Economical flywheel alternator for trickle charging a small lawnmower battery |
| 11/09/1982 | US4358697 Two-pole permanent magnet synchronous motor rotor |
| 11/09/1982 | US4358696 Permanent magnet synchronous motor rotor |
| 10/28/1982 | WO1982003720A1 Unit of rotating magnetic heads |
| 10/19/1982 | US4355252 Synchronous motor |
| 10/19/1982 | US4355251 Tachometric generator |
| 10/19/1982 | US4355248 Stepper motor |
| 10/12/1982 | US4354126 Dynamoelectric machine with a permanent magnet rotor having laminated poles |
| 09/29/1982 | EP0060894A1 D.c. generator type non-contact speed sensing device |
| 09/28/1982 | US4352036 Electrical rotary machine |
| 09/28/1982 | US4351286 Coil assembly for an ignition system |